ArticleGenes & genomics2019
Identification of a novel plant RNA virus species of the genus Amalgavirus in the family Amalgaviridae from chia (Salvia hispanica).
Article in Genes & genomics, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed, 14 citations in OpenAlex.
- Metatranscriptomic Identification of Diverse and Divergent RNA Viruses in Green and Chlorarachniophyte Algae Cultures.Viruses · 2020Article
- Sequencing and phylogenetic characterization of a novel RNA virus genome from Harmonia axyridis.Molecular biology reports · 2020Article
- Viromes of Ten Alfalfa Plants in Australia Reveal Diverse Known Viruses and a Novel RNA Virus.Pathogens (Basel, Switzerland) · 2020Article
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
Abstract
backgroundChia (Salvia hispanica) is a flowering plant in the family Lamiaceae, which produces seeds that are a rich source of various nutritional compounds.
objectiveTo identify a novel RNA virus potentially associated with chia.
methodsTranscriptome data obtained from developing chia seeds were assembled into contigs. Sequence contigs containing an open reading frame (ORF) that showed amino acid identities with a viral RNA-dependent RNA polymerase (RdRp) were identified and analyzed.
resultsA genomic sequence of a novel plant RNA virus named Salvia hispanica RNA virus 1 (ShRV1) was identified in a chia seed transcriptome dataset. The ShRV1 genome sequence has two ORFs that showed high sequence identities with ORFs of known members of the genus Amalgavirus in the family Amalgaviridae. Amalgaviridae is a family of positive-sense double-stranded non-segmented RNA viruses that infect plants, fungi, and animals. The ShRV1 genome encodes two proteins: a putative replication factory matrix-like protein from ORF1 and an RdRp from the fused ORF of ORF1 and ORF2 by a + 1 programmed ribosomal frameshifting (PRF) mechanism. A conserved + 1 PRF motif sequence UUU_CGU was found at the ORF1/ORF2 boundary. A comparison of 31 amalgavirus ORF1 + 2 fusion proteins revealed that only three positions were repeatedly used as a + 1 PRF site during amalgavirus evolution.
conclusionShRV1 is a novel virus found to be associated with chia and may be useful for studying the molecular features of amalgaviruses.
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